While subtracting two numbers, how many nodes are needed?
A
2
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B
1
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C
3
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D
4
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Solution
The correct option is B 1 The nodes represent the operator, i.e in case of subtraction of two numbers, we use only one operator and that is '−'. Thus, while subtracting two numbers only one node is needed. Example: 7,55,250 - 5,34,500